W-block staging entry validated for model fit. Imported from staging batch duell-thimm-w, source entry 2341.
Early Weimar salle-d'armes exercise publication under S. Weischner. The previous local record inherited a broken Hutton/Thimm compound string with a false 1892 date; this normalization restores the distinct 1762 work cited by Gelli.
Vigeant 1882 corrects the public anchor to Weimar 1752 and explicitly adds a second edition at Weimar in 1765.